Home / 5,477.04-8,215.76-1,778.18

Finding the Fourth Proportional to 5,477.04, 8,215.76 and 1,778.18

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Solution

The fourth proportional to 5,477.04, 8,215.76 and 1,778.18 is: 2,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.04 : 8,215.76 = 1,778.18 : x
  2. Step 2: Convert to fraction form
    5,477.04/8,215.76 = 1,778.18/x
  3. Step 3: Cross multiply
    5,477.04x = 8,215.76 × 1,778.18
  4. Step 4: Simplify right side
    5,477.04x = 14,609,063.48
  5. Step 5: Solve for x
    x = 14,609,063.48/5,477.04
  6. Step 6: Final answer
    x = 2,667.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.